that word "big" we heard 24 times from romney today. we are likely to hear it again several times tonight. lester? >> all right. peter and kristen on the campaign trail for us tonight. thank you. we want to let you know, from now through election day you can watch every presidential campaign event streaming live online at nbc news.com. >>> other news tonight. authorities in michigan launched a manhunt to catch a possible serial shooter. at least 24 drivers have been shot at along i-96 in the last two weeks. the latest happening today. two cars were shot at. one man was hit while driving to the world series. the bullet came through the driver's side door. authorities say he's expected to be okay. >>> nover seas now to the crisis in syria where a muslim holiday cease-fire deal appears to be over after just a day. government forces launched air strikes around damascus today, flattening buildings. rebel forces responded with bomb blasts of their own. at least 16 people died in back and forth attacks. >>> a lot more to tell you about on this